Cheap flights from Baltimore to Northern California

View AU$203 flight on Thu, 1 Jan. 2026Opens in a new window

Popular airlines from Baltimore to Northern California

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Baltimore (WAS) to Northern California (ACV)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, 23 Aug. - Sat, 30 Aug.
DCA
Washington
SFO
San Francisco
AU$394 Return, found 1 hour ago
AU$394
Return
found 1 hour ago
Select Alaska Airlines flight, departing Sat, 23 Aug. from Washington to San Francisco, returning Sat, 30 Aug., priced at AU$394 found 1 hour ago
American Airlines
Sat, 23 Aug. - Sat, 30 Aug.
DCA
Washington
SFO
San Francisco
AU$425 Return, found 1 hour ago
AU$425
Return
found 1 hour ago
Select American Airlines flight, departing Sat, 23 Aug. from Washington to San Francisco, returning Sat, 30 Aug., priced at AU$425 found 1 hour ago
Delta
Sat, 23 Aug. - Sat, 30 Aug.
DCA
Washington
SFO
San Francisco
AU$425 Return, found 1 hour ago
AU$425
Return
found 1 hour ago
Select Delta flight, departing Sat, 23 Aug. from Washington to San Francisco, returning Sat, 30 Aug., priced at AU$425 found 1 hour ago
Alaska Airlines
Mon, 15 Sep. - Fri, 19 Sep.
DCA
Washington
SMF
Sacramento
AU$425 Return, found 11 hours ago
AU$425
Return
found 11 hours ago
Select Alaska Airlines flight, departing Mon, 15 Sep. from Washington to Sacramento, returning Fri, 19 Sep., priced at AU$425 found 11 hours ago
Alaska Airlines
Sat, 23 Aug. - Sat, 30 Aug.
DCA
Washington
SFO
San Francisco
AU$441 Return, found 1 hour ago
AU$441
Return
found 1 hour ago
Select Alaska Airlines flight, departing Sat, 23 Aug. from Washington to San Francisco, returning Sat, 30 Aug., priced at AU$441 found 1 hour ago
United
Sat, 23 Aug. - Sat, 30 Aug.
DCA
Washington
SFO
San Francisco
AU$547 Return, found 1 hour ago
AU$547
Return
found 1 hour ago
Select United flight, departing Sat, 23 Aug. from Washington to San Francisco, returning Sat, 30 Aug., priced at AU$547 found 1 hour ago

Find the cheapest month to fly from Baltimore (BWI) to San Francisco (SFO)

April is typically the cheapest month to fly

From AU$215 - AU$759 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.